# frozen_string_literal: true

require "spec_helper"

RSpec.describe License, feature_category: :plan_provisioning do
  using RSpec::Parameterized::TableSyntax

  subject(:license) { build(:license, data: gl_license.export) }

  let(:gl_license) { build(:gitlab_license) }

  let_it_be(:gl_licensee) do
    { 'Name' => 'Team Member', 'Email' => 'team_member@gitlab.com', 'Company' => 'GitLab' }
  end

  def build_license_with_add_ons(add_ons, plan: nil)
    gl_license = build(:gitlab_license, restrictions: { add_ons: add_ons, plan: plan })
    build(:license, data: gl_license.export)
  end

  describe 'validations' do
    describe '#valid_license' do
      subject(:license) { build(:license, data: gl_license.class.encryptor.encrypt(gl_license.to_json)) }

      context 'when the license is provided' do
        shared_examples 'an invalid license' do
          it 'adds an error' do
            expect(license).not_to be_valid
            expect(license.errors.full_messages.to_sentence).to include error_message
          end
        end

        context 'with online cloud license' do
          let(:gl_license) { build(:gitlab_license, :cloud, starts_at: 'not-a-date') }
          let(:error_message) { 'The license key is invalid.' }

          it_behaves_like 'an invalid license'
        end

        context 'with offline cloud license' do
          let(:gl_license) { build(:gitlab_license, :offline, starts_at: 'not-a-date') }
          let(:error_message) do
            _('The license key is invalid. Make sure it is exactly as you received it from GitLab Inc.')
          end

          it_behaves_like 'an invalid license'
        end

        it { is_expected.to be_valid }
      end

      context 'when no license is provided' do
        before do
          license.data = nil
        end

        it 'adds an error' do
          expect(license).not_to be_valid
          expect(license.errors.full_messages.to_sentence)
            .to include _('The license key is invalid. Make sure it is exactly as you received it from GitLab Inc.')
        end
      end
    end

    describe '#check_trueup' do
      let(:active_user_count) { described_class.current.daily_billable_users_count + 10 }
      let(:date)              { described_class.current.starts_at }

      before do
        create(:historical_data, recorded_at: date, active_user_count: active_user_count)
      end

      shared_examples 'invalid if active users with threshold exceeds restricted user count' do
        before do
          create_list(:user, 12)
        end

        it 'is not valid' do
          expect(license).not_to be_valid
          expect(license.errors.added?(:base, :check_available_seats)).to eq(true)
        end
      end

      context 'when reconciliation_completed is true on the license' do
        before do
          set_restrictions(seats: 10, trueup_quantity: 8, reconciliation_completed: true, previous_user_count: 0)
        end

        it { is_expected.to be_valid }
      end

      context 'when reconciliation_completed is false on the license' do
        it 'adds errors for invalid true up figures' do
          set_restrictions(seats: 10, trueup_quantity: 8, reconciliation_completed: false, trueup_period_seat_count: 0)

          expect(license).not_to be_valid
          expect(license.errors.added?(:base, :check_trueup)).to eq(true)
          expect(license.errors.full_messages.to_sentence)
            .to include 'You have applied a True-up for 8 users but you need one for 10 users'
        end
      end

      context 'when reconciliation_completed is not present on the license' do
        it 'adds errors for invalid true up figures' do
          set_restrictions(seats: 10, trueup_quantity: 8, trueup_period_seat_count: 0)

          expect(license).not_to be_valid
          expect(license.errors.added?(:base, :check_trueup)).to eq(true)
          expect(license.errors.full_messages.to_sentence)
            .to include 'You have applied a True-up for 8 users but you need one for 10 users'
        end
      end

      context 'when trueup quantity with threshold is more than the required quantity' do
        before do
          set_restrictions(seats: 10, trueup_quantity: 10, trueup_period_seat_count: 0)
        end

        it { is_expected.to be_valid }

        it_behaves_like 'invalid if active users with threshold exceeds restricted user count'
      end

      context 'when trueup quantity with threshold is equal to the required quantity' do
        before do
          set_restrictions(seats: 10, trueup_quantity: 10, trueup_period_seat_count: 0)
        end

        let(:active_user_count) { described_class.current.daily_billable_users_count + 11 }

        it { is_expected.to be_valid }

        it_behaves_like 'invalid if active users with threshold exceeds restricted user count'
      end

      context 'when trueup quantity with threshold is less than the required quantity' do
        before do
          set_restrictions(seats: 10, trueup_quantity: 8, trueup_period_seat_count: 0)
        end

        it 'is not valid' do
          expect(license).not_to be_valid
          expect(license.errors.added?(:base, :check_trueup)).to eq(true)
        end
      end

      context 'when trueup_period_seat_count is absent and previous_user_count is absent' do
        before do
          set_restrictions(seats: 10, trueup_quantity: 10)
        end

        it { is_expected.to be_valid }

        it_behaves_like 'invalid if active users with threshold exceeds restricted user count'
      end

      context 'when trueup_period_seat_count is present' do
        before do
          set_restrictions(seats: 5, trueup_quantity: 6, trueup_period_seat_count: 4)
        end

        it { is_expected.to be_valid }
      end

      context 'when trueup_period_seat_count is absent but previous_user_count is present' do
        before do
          set_restrictions(seats: 5, trueup_quantity: 6, previous_user_count: 4)
        end

        it { is_expected.to be_valid }

        it_behaves_like 'invalid if active users with threshold exceeds restricted user count'
      end

      context 'with license types' do
        subject(:license) { build(:license, cloud: cloud, data: gl_license.export) }

        let(:restrictions) do
          {
            trueup_quantity: 10,
            trueup_from: 1.year.ago.to_s,
            trueup_to: 1.day.ago.to_s
          }
        end

        context 'when license is an online cloud license' do
          let(:cloud) { true }
          let(:gl_license) { build(:gitlab_license, :online, restrictions: restrictions) }

          it 'does not validate for true-ups' do
            expect(license).not_to receive(:check_trueup)

            license.valid?
          end
        end

        context 'when license is an offline cloud license' do
          let(:cloud) { true }
          let(:gl_license) { build(:gitlab_license, :offline, restrictions: restrictions) }

          it 'does not validate for true-ups' do
            expect(license).not_to receive(:check_trueup)

            license.valid?
          end
        end

        context 'when license is a legacy license' do
          let(:cloud) { false }
          let(:gl_license) { build(:gitlab_license, restrictions: restrictions) }

          it 'validates for true-ups' do
            expect(license).to receive(:check_trueup)

            license.valid?
          end
        end
      end
    end

    describe '#check_available_seats' do
      context 'when reconciliation_completed is true' do
        before do
          set_restrictions(seats: 10, reconciliation_completed: true)
          create_list(:user, user_count)
          create(:historical_data, recorded_at: described_class.current.starts_at, active_user_count: 100)
        end

        context 'when seats with threshold is more than active_user_count' do
          let(:user_count) { 10 }

          it { is_expected.to be_valid }
        end

        context 'when seats with threshold is equal than active_user_count' do
          let(:user_count) { 11 }

          it { is_expected.to be_valid }
        end

        context 'when the seats with threshold is less than active_user_count' do
          let(:user_count) { 12 }

          it 'add limit error' do
            expect(license.valid?).to be_falsey

            expect(license.errors.full_messages.to_sentence).to include(
              'This GitLab installation currently has 12 active users, exceeding this license\'s limit of 10 by 2 users'
            )
            expect(license.errors.full_messages.to_sentence).not_to include(
              'During the year before this license started'
            )
          end

          it 'validates only if the new record' do
            expect(license.valid?).to be_falsey

            license.save!(validate: false)

            expect(license.valid?).to be_truthy
          end

          context 'when the license is cloud-enabled' do
            before do
              gl_license.cloud_licensing_enabled = true
            end

            it { is_expected.to be_valid }
          end
        end
      end

      context 'when reconciliation_completed is false' do
        context 'when the seats with threshold is less than active_user_count' do
          before do
            set_restrictions(seats: 10, reconciliation_completed: false)
            create_list(:user, 12)
            create(:historical_data, recorded_at: described_class.current.starts_at, active_user_count: 100)
          end

          it 'add limit error' do
            expect(license.valid?).to be_falsey

            expect(license.errors.full_messages.to_sentence).to include(
              'During the year before this license started'
            )
          end

          context 'when the license is cloud-enabled' do
            before do
              gl_license.cloud_licensing_enabled = true
            end

            it { is_expected.to be_valid }
          end
        end
      end
    end

    describe '#check_users_limit' do
      let(:expires_at) { 11.months.from_now.to_date }
      let(:restrictions) { { active_user_count: 9 } }
      let(:gl_license) do
        build(
          :gitlab_license,
          starts_at: 1.month.ago.to_date,
          expires_at: expires_at,
          restrictions: restrictions
        )
      end

      def create_historical_data(recorded_at, prior_active_user_count)
        create(
          :historical_data,
          recorded_at: recorded_at + 1.day,
          active_user_count: 1
        )
        create(
          :historical_data,
          recorded_at: recorded_at,
          active_user_count: prior_active_user_count
        )
      end

      context 'for each plan' do
        before do
          create(:group_member, :guest)
          create(:group_member, :reporter)
          create(:license, plan: plan)
        end

        let(:users_count) { nil }
        let(:new_license) do
          gl_license = build(:gitlab_license, restrictions: { plan: plan, active_user_count: users_count, previous_user_count: 1 })
          build(:license, data: gl_license.export)
        end

        where(:gl_plan, :valid) do
          ::License::STARTER_PLAN  | false
          ::License::PREMIUM_PLAN  | false
          ::License::ULTIMATE_PLAN | true
        end

        with_them do
          let(:plan) { gl_plan }

          context 'when license has restricted users' do
            let(:users_count) { 1 }

            it { expect(new_license.valid?).to eq(valid) }
          end

          context 'when license has unlimited users' do
            let(:users_count) { nil }

            it 'is always valid' do
              expect(new_license.valid?).to eq(true)
            end
          end
        end
      end

      context 'when license is a cloud license' do
        let(:gitlab_license) do
          build(
            :gitlab_license,
            cloud_licensing_enabled: true,
            starts_at: Date.current,
            restrictions: { active_user_count: 10 }
          )
        end

        it { is_expected.to be_valid }
      end

      context 'when no restriction is set' do
        let(:restrictions) { {} }

        it { is_expected.to be_valid }
      end

      context 'without historical data' do
        let(:active_user_count) { 9 }

        before do
          create_list(:user, billable_users_count)
        end

        context 'with previous user count' do
          let(:prior_active_user_count) { 0 }
          let(:restrictions) { { active_user_count: active_user_count, previous_user_count: previous_user_count } }

          context 'when prior historical max is less than previous user count' do
            let(:previous_user_count) { 1 }

            include_examples 'valid daily billable users count compared to limit set by license checks'
            include_examples 'invalid daily billable users count compared to limit set by license checks'
          end

          context 'when prior historical max is equal to previous user count' do
            let(:previous_user_count) { 0 }

            include_examples 'valid daily billable users count compared to limit set by license checks'
            include_examples 'invalid daily billable users count compared to limit set by license checks'
          end
        end

        context 'without previous user count' do
          let(:restrictions) { { active_user_count: active_user_count } }

          include_examples 'valid prior historical max compared to limit set by license checks'
        end
      end

      context 'with historical data in the term of an existing current license' do
        let(:active_user_count) { 9 }

        before do
          create_list(:user, billable_users_count)
          create_historical_data(described_class.current.expires_at, prior_active_user_count)
        end

        context 'with previous user count' do
          let(:previous_user_count) { 7 }
          let(:restrictions) { { active_user_count: active_user_count, previous_user_count: previous_user_count } }

          include_examples 'with previous user count checks'
        end

        context 'without previous user count' do
          let(:restrictions) { { active_user_count: active_user_count } }

          include_examples 'valid prior historical max compared to limit set by license checks'
          include_examples 'invalid prior historical max compared to limit set by license checks'
        end
      end

      context 'with historical data in the term of the new license (no current license exists)' do
        let(:active_user_count) { 9 }
        let(:restrictions) { { active_user_count: active_user_count } }

        before do
          create_list(:user, billable_users_count)

          allow(described_class).to receive(:current).and_return(nil)
        end

        context 'when new license has an expiration date' do
          before do
            create_historical_data(license.starts_at - 1.year, prior_active_user_count)
          end

          context 'with previous user count' do
            let(:previous_user_count) { 7 }
            let(:restrictions) { { active_user_count: active_user_count, previous_user_count: previous_user_count } }

            include_examples 'with previous user count checks'
          end

          context 'without previous user count' do
            let(:restrictions) { { active_user_count: active_user_count } }

            include_examples 'valid prior historical max compared to limit set by license checks'
            include_examples 'invalid prior historical max compared to limit set by license checks'
          end
        end

        context 'when new license has no expiration' do
          let(:expires_at) { nil }

          before do
            gl_license.licensee = gl_licensee
            create_historical_data(license.starts_at, prior_active_user_count)
          end

          context 'with previous user count' do
            let(:previous_user_count) { 7 }
            let(:restrictions) { { active_user_count: active_user_count, previous_user_count: previous_user_count } }

            include_examples 'with previous user count checks'
          end

          context 'without previous user count' do
            let(:restrictions) { { active_user_count: active_user_count } }

            include_examples 'valid prior historical max compared to limit set by license checks'
            include_examples 'invalid prior historical max compared to limit set by license checks'
          end
        end
      end

      context 'downgrade' do
        context 'when more users were added in previous period' do
          before do
            create(:historical_data, recorded_at: described_class.current.starts_at + 1.month, active_user_count: 15)

            set_restrictions(seats: 5, previous_user_count: 10)
          end

          it 'is invalid without a true-up' do
            expect(license).not_to be_valid
          end
        end

        context 'when no users were added in the previous period' do
          before do
            create(:historical_data, recorded_at: 6.months.ago, active_user_count: 15)

            set_restrictions(seats: 10, previous_user_count: 15)
          end

          it { is_expected.to be_valid }
        end
      end
    end

    describe '#not_expired' do
      context "when the license doesn't expire" do
        it { is_expected.to be_valid }
      end

      context 'when the license has expired' do
        before do
          gl_license.expires_at = Date.yesterday
        end

        it { is_expected.not_to be_valid }

        context 'when the license is an online cloud license' do
          before do
            gl_license.cloud_licensing_enabled = true
            gl_license.offline_cloud_licensing_enabled = false
          end

          context 'when the license is generated_from_cancellation' do
            before do
              gl_license.generated_from_cancellation = true
            end

            it { is_expected.to be_valid }
          end

          context 'when the license is not generated_from_cancellation' do
            before do
              gl_license.generated_from_cancellation = false
            end

            it { is_expected.not_to be_valid }
          end
        end
      end

      context 'when the license has yet to expire' do
        before do
          gl_license.expires_at = Date.tomorrow
        end

        it { is_expected.to be_valid }
      end
    end
  end

  describe 'Callbacks' do
    describe '#reset_current', :request_store do
      def current_license_cached_value
        License.cache.read(License::CACHE_KEY, License)
      end

      before do
        described_class.current # Set cache up front
      end

      context 'when a license is created' do
        it 'expires the current_license cached value' do
          expect(current_license_cached_value).to be_present

          create(:license)

          expect(current_license_cached_value).to be_nil
        end
      end

      context 'when a license is updated' do
        it 'expires the current_license cached value' do
          expect(current_license_cached_value).to be_present

          described_class.last.update!(updated_at: Time.current)

          expect(current_license_cached_value).to be_nil
        end
      end

      context 'when a license is destroyed' do
        it 'expires the current_license cached value' do
          expect(current_license_cached_value).to be_present

          described_class.last.destroy!

          expect(current_license_cached_value).to be_nil
        end
      end
    end

    describe '#reset_future_dated', :request_store do
      let!(:future_dated_license) { create(:license, data: create(:gitlab_license, starts_at: Date.current + 1.month).export) }

      before do
        described_class.future_dated

        expect(Gitlab::SafeRequestStore.read(:future_dated_license)).to be_present
      end

      context 'when a license is created' do
        it 'deletes the future_dated_license value in Gitlab::SafeRequestStore' do
          create(:license)

          expect(Gitlab::SafeRequestStore.read(:future_dated_license)).to be_nil
        end
      end

      context 'when a license is destroyed' do
        it 'deletes the future_dated_license value in Gitlab::SafeRequestStore' do
          future_dated_license.destroy!

          expect(Gitlab::SafeRequestStore.read(:future_dated_license)).to be_nil
        end
      end
    end
  end

  describe 'Scopes' do
    describe '.cloud' do
      it 'includes cloud licenses' do
        create(:license)
        cloud_license_1 = create(:license, cloud: true)
        cloud_license_2 = create(:license, cloud: true)

        result = described_class.cloud

        expect(result).to contain_exactly(cloud_license_1, cloud_license_2)
      end
    end
  end

  describe "Class methods" do
    before do
      described_class.reset_current
    end

    describe '.current', :request_store, :use_clean_rails_memory_store_caching do
      context 'when licenses table does not exist' do
        it 'returns nil' do
          allow(described_class).to receive(:table_exists?).and_return(false)

          expect(described_class.current).to be_nil
        end
      end

      context 'when there is no license' do
        it 'returns nil' do
          allow(described_class).to receive(:last_hundred).and_return([])

          expect(described_class.current).to be_nil
        end
      end

      context 'when the license is invalid' do
        it 'returns nil' do
          allow(described_class).to receive(:last_hundred).and_return([license])
          allow(license).to receive(:valid?).and_return(false)

          expect(described_class.current).to be_nil
        end
      end

      context 'when the license is valid' do
        let!(:current_license) { create_list(:license, 2).last }
        let(:expired_gl_license) do
          create(:gitlab_license, starts_at: Date.current - 1.month, expires_at: Date.yesterday)
        end

        context 'when the most recent valid started but not expired license matches the subscription name of a generated_from_cancellation license' do
          let!(:current_license) { create(:license, cloud: true, data: active_gl_license.export) }
          let(:active_gl_license) do
            build(
              :gitlab_license,
              starts_at: Date.current - 1.month,
              cloud_licensing_enabled: true,
              restrictions: { subscription_name: "SUB-001" }
            )
          end

          let(:outdated_active_gl_license) do
            build(
              :gitlab_license,
              starts_at: Date.current - 1.month,
              cloud_licensing_enabled: true,
              restrictions: { subscription_name: "SUB-002" }
            )
          end

          let(:generated_from_cancellation_gl_license) do
            build(
              :gitlab_license,
              starts_at: Date.current - 1.month,
              expires_at: Date.yesterday,
              cloud_licensing_enabled: true,
              generated_from_cancellation: true,
              restrictions: { subscription_name: "SUB-002" }
            )
          end

          it 'returns the most recent valid and started but not expired license from a different subscription name' do
            create(:license, cloud: true, data: outdated_active_gl_license.export)
            create(:license, cloud: true, data: generated_from_cancellation_gl_license.export)

            expect(described_class.current).to eq(current_license)
          end

          context 'when all licenses match the subscription name of a generated_from_cancellation license', :without_license do
            let!(:current_license) { create(:license, cloud: true, data: outdated_active_gl_license.export) }

            it 'returns the most recent valid started expired license' do
              generated_from_cancellation_license = create(:license, cloud: true, data: generated_from_cancellation_gl_license.export)

              expect(described_class.current).to eq(generated_from_cancellation_license)
            end
          end
        end

        context 'when the last uploaded license is expired' do
          it 'returns the most recent valid and started but not expired license' do
            create(:license, data: expired_gl_license.export)

            expect(described_class.current).to eq(current_license)
          end
        end

        context 'when all uploaded license are expired', :without_license do
          let!(:current_license) { create_list(:license, 2, data: expired_gl_license.export).last }

          it 'returns the most recent valid and started and expired license' do
            expect(described_class.current).to eq(current_license)
          end
        end

        context 'when the last uploaded license is future dated' do
          it 'returns the most recent valid and started but not expired license' do
            create(:license, data: create(:gitlab_license, starts_at: Date.current + 1.month).export)

            expect(described_class.current).to eq(current_license)
          end
        end

        it 'returns the most recent valid and started but not expired license' do
          expect(described_class.current).to eq(current_license)
        end

        it 'caches the license' do
          described_class.reset_current

          expect(described_class).to receive(:load_license).once.and_call_original

          2.times do
            expect(described_class.current).to eq(current_license)
          end

          travel_to(61.seconds.from_now) do
            expect(described_class).to receive(:load_license).once.and_call_original
            expect(described_class.current).to eq(current_license)
          end
        end
      end
    end

    describe '.future_dated' do
      before do
        described_class.reset_future_dated
      end

      context 'when licenses table does not exist' do
        it 'returns nil' do
          allow(described_class).to receive(:table_exists?).and_return(false)

          expect(described_class.future_dated).to be_nil
        end
      end

      context 'when there is no license' do
        it 'returns nil' do
          allow(described_class).to receive(:last_hundred).and_return([])

          expect(described_class.future_dated).to be_nil
        end
      end

      context 'when the license is invalid' do
        it 'returns false' do
          license = build(:license, data: build(:gitlab_license, starts_at: Date.current + 1.month).export)

          allow(described_class).to receive(:last_hundred).and_return([license])
          allow(license).to receive(:valid?).and_return(false)

          expect(described_class.future_dated).to be_nil
        end
      end

      context 'when the license is valid' do
        it 'returns the true' do
          future_dated_license = create(:license, data: create(:gitlab_license, starts_at: Date.current + 1.month).export)

          expect(described_class.future_dated).to eq(future_dated_license)
        end
      end
    end

    describe ".block_changes?" do
      before do
        allow(described_class).to receive(:current).and_return(license)
      end

      context "when there is no current license" do
        let(:license) { nil }

        it "returns false" do
          expect(described_class.block_changes?).to be_falsey
        end
      end

      context 'with an expired trial license' do
        let!(:license) { create(:license, trial: true) }

        it 'returns false' do
          expect(described_class.block_changes?).to be_falsey
        end
      end

      context 'with an expired normal license' do
        let!(:license) { create(:license, expired: true) }

        it 'returns true' do
          expect(described_class.block_changes?).to eq(true)
        end
      end

      context "when the current license is set to block changes" do
        before do
          allow(license).to receive(:block_changes?).and_return(true)
        end

        it "returns true" do
          expect(described_class.block_changes?).to be_truthy
        end
      end

      context "when the current license doesn't block changes" do
        it "returns false" do
          expect(described_class.block_changes?).to be_falsey
        end
      end
    end

    describe '.with_valid_license' do
      context 'when license trial' do
        before do
          allow(license).to receive(:trial?).and_return(true)
          allow(described_class).to receive(:current).and_return(license)
        end

        it 'does not yield block' do
          expect { |b| described_class.with_valid_license(&b) }.not_to yield_control
        end
      end

      context 'when license nil' do
        before do
          allow(described_class).to receive(:current).and_return(nil)
        end

        it 'does not yield block' do
          expect { |b| described_class.with_valid_license(&b) }.not_to yield_control
        end
      end

      context 'when license is valid' do
        before do
          allow(described_class).to receive(:current).and_return(license)
        end

        it 'yields block' do
          expect { |b| described_class.with_valid_license(&b) }.to yield_with_args(license)
        end
      end
    end

    describe '.current_cloud_license?' do
      subject { described_class.current_cloud_license?(license_key) }

      let(:license_key) { 'test-key' }

      before do
        allow(described_class).to receive(:current).and_return(current_license)
      end

      context 'when current license is not set' do
        let(:current_license) { nil }

        it { is_expected.to be(false) }
      end

      context 'when current license is not a cloud license' do
        let(:current_license) { create(:license) }

        it { is_expected.to be(false) }
      end

      context 'when current license is a cloud license but key does not match current' do
        let(:current_license) { create_current_license(cloud_licensing_enabled: true) }

        it { is_expected.to be(false) }
      end

      context 'when current license is a cloud license and key matches current' do
        let(:current_license) { create_current_license(cloud_licensing_enabled: true) }
        let(:license_key) { current_license.data }

        it { is_expected.to be(true) }
      end
    end
  end

  describe "#data_filename" do
    subject { license.data_filename }

    context 'when licensee includes company information' do
      let(:gl_license) do
        build(:gitlab_license, licensee: { 'Company' => ' Example & Partner Inc. 2 ', 'Name' => 'User Example' })
      end

      it { is_expected.to eq('ExamplePartnerInc2.gitlab-license') }
    end

    context 'when licensee does not include company information' do
      let(:gl_license) { build(:gitlab_license, licensee: { 'Name' => 'User Example' }) }

      it { is_expected.to eq('UserExample.gitlab-license') }
    end
  end

  describe '#normalized_data' do
    it 'replaces carriage returns' do
      other_license = build(:license, data: license.data.gsub("\n", "\r\n"))

      expect(other_license.normalized_data).not_to include("\r\n")
    end

    it 'adds a trailing newline' do
      other_license = build(:license, data: license.data.chomp)

      expect(other_license.normalized_data).to end_with("\n")
    end

    it 'replaces multiple trailing newlines with a single trailing newline' do
      other_license = build(:license, data: "#{license.data}\n\n\n")

      expect(other_license.normalized_data).to end_with(/\n{1}$/)
    end
  end

  describe "#md5", fips_mode: false do
    it "returns the same MD5 for licenses with carriage returns and those without" do
      other_license = build(:license, data: license.data.gsub("\n", "\r\n"))

      expect(other_license.md5).to eq(license.md5)
    end

    it "returns the same MD5 for licenses with trailing newlines and those without" do
      other_license = build(:license, data: license.data.chomp)

      expect(other_license.md5).to eq(license.md5)
    end

    it "returns the same MD5 for licenses with multiple trailing newlines and those with a single trailing newline" do
      other_license = build(:license, data: "#{license.data}\n\n\n")

      expect(other_license.md5).to eq(license.md5)
    end

    context 'when in FIPS mode', :fips_mode do
      it "returns nil" do
        expect(license.md5).to eq(nil)
      end
    end
  end

  describe "#sha256" do
    it "returns the same SHA256 for licenses with carriage returns and those without" do
      other_license = build(:license, data: license.data.gsub("\n", "\r\n"))

      expect(other_license.sha256).to eq(license.sha256)
    end

    it "returns the same SHA256 for licenses with trailing newlines and those without" do
      other_license = build(:license, data: license.data.chomp)

      expect(other_license.sha256).to eq(license.sha256)
    end

    it "returns the same SHA256 for licenses with multiple trailing newlines and those with a single trailing newline" do
      other_license = build(:license, data: "#{license.data}\n\n\n")

      expect(other_license.sha256).to eq(license.sha256)
    end
  end

  describe "#license" do
    context "when no data is provided" do
      before do
        license.data = nil
      end

      it "returns nil" do
        expect(license.license).to be_nil
      end
    end

    context "when corrupt license data is provided" do
      before do
        license.data = "whatever"
      end

      it "returns nil" do
        expect(license.license).to be_nil
      end
    end

    context "when valid license data is provided" do
      it "returns the license" do
        expect(license.license).not_to be_nil
      end
    end
  end

  describe 'reading add-ons' do
    describe '#plan' do
      let(:gl_license) { build(:gitlab_license, restrictions: restrictions.merge(add_ons: {})) }
      let(:license)    { build(:license, data: gl_license.export) }

      subject { license.plan }

      [
        { restrictions: {},                  plan: License::STARTER_PLAN },
        { restrictions: { plan: nil },       plan: License::STARTER_PLAN },
        { restrictions: { plan: '' },        plan: License::STARTER_PLAN },
        { restrictions: { plan: 'unknown' }, plan: 'unknown' }
      ].each do |spec|
        context spec.inspect do
          let(:restrictions) { spec[:restrictions] }

          it { is_expected.to eq(spec[:plan]) }
        end
      end
    end
  end

  def create_license(add_ons: {}, plan: nil)
    gl_license = create(:gitlab_license, restrictions: { add_ons: add_ons, plan: plan })
    create(:license, data: gl_license.export)
  end

  # rubocop: disable Gitlab/FeatureAvailableUsage
  # Disabling Cop because we are testing the instance method instead of the class method
  # and it's a valid usage.
  describe '.feature_available?' do
    subject { described_class.feature_available?(feature) }

    it 'returns true if add-on exists and have a quantity greater than 0' do
      create_license(add_ons: { 'GitLab_FileLocks' => 1 })

      expect(described_class.feature_available?(:file_locks)).to eq(true)
    end

    it 'returns true if the feature is included in the plan do' do
      create_license(plan: License::PREMIUM_PLAN)

      expect(described_class.feature_available?(:auditor_user)).to eq(true)
    end

    it 'returns false if add-on exists but have a quantity of 0' do
      create_license(add_ons: { 'GitLab_FileLocks' => 0 })

      expect(described_class.feature_available?(:file_locks)).to eq(false)
    end

    it 'returns false if add-on does not exists' do
      create_license(plan: License::STARTER_PLAN)

      expect(described_class.feature_available?(:file_locks)).to eq(false)
    end

    context 'with an expired trial license' do
      before_all do
        described_class.delete_all
        create(:license, trial: true, expired: true)
      end

      ::GitlabSubscriptions::Features::ALL_STARTER_FEATURES.each do |feature|
        it "returns false for #{feature}" do
          expect(described_class.feature_available?(feature)).to eq(false)
        end
      end
    end

    describe 'usage ping features' do
      context 'without license' do
        before do
          described_class.delete_all
        end

        context 'when usage ping is disabled' do
          before do
            stub_application_setting(usage_ping_features_enabled: false)
          end

          it 'does not have access to any usage ping features' do
            ::GitlabSubscriptions::Features::FEATURES_WITH_USAGE_PING.each do |feature|
              expect(described_class.feature_available?(feature))
                .to eq(false), "expected #{feature} not to be available"
            end
          end
        end

        context 'when usage ping is enabled' do
          before do
            stub_application_setting(usage_ping_features_enabled: true)
          end

          it 'has access to all usage ping features' do
            ::GitlabSubscriptions::Features::FEATURES_WITH_USAGE_PING.each do |feature|
              expect(described_class.feature_available?(feature))
                .to eq(true), "expected #{feature} to be available"
            end
          end
        end
      end

      context 'when license exists' do
        before do
          create(:license, plan: License::PREMIUM_PLAN)
        end

        context 'when usage ping is disabled' do
          before do
            stub_application_setting(usage_ping_features_enabled: false)
          end

          it 'has access to usage ping features part of the plan' do
            ::GitlabSubscriptions::Features::ALL_PREMIUM_FEATURES.each do |feature|
              expect(described_class.feature_available?(feature)).to eq(true)
            end
          end

          it 'does not have access to higher tier usage ping features' do
            ::GitlabSubscriptions::Features::ULTIMATE_FEATURES_WITH_USAGE_PING.each do |feature|
              expect(described_class.feature_available?(feature)).to eq(false)
            end
          end
        end

        context 'when usage ping is enabled' do
          before do
            stub_application_setting(usage_ping_features_enabled: true)
          end

          it 'has access to all usage ping features' do
            ::GitlabSubscriptions::Features::FEATURES_WITH_USAGE_PING.each do |feature|
              expect(described_class.feature_available?(feature)).to eq(true)
            end
          end
        end
      end
    end
  end
  # rubocop: enable Gitlab/FeatureAvailableUsage

  describe '.ai_features_available?' do
    using RSpec::Parameterized::TableSyntax

    subject { described_class.ai_features_available? }

    where(:plan, :ai_features_available) do
      License::STARTER_PLAN | false
      License::PREMIUM_PLAN | true
      License::ULTIMATE_PLAN | true
    end

    with_them do
      before do
        create_license(plan: plan)
      end

      it { is_expected.to be(ai_features_available) }
    end
  end

  describe '.duo_core_features_available?' do
    using RSpec::Parameterized::TableSyntax

    subject { described_class.duo_core_features_available? }

    where(:plan, :ai_features_available) do
      License::STARTER_PLAN | false
      License::PREMIUM_PLAN | true
      License::ULTIMATE_PLAN | true
    end

    with_them do
      before do
        create_license(plan: plan)
      end

      it { is_expected.to be(ai_features_available) }
    end
  end

  describe '#subscription_id' do
    it 'has correct subscription_id' do
      gl_license = build(:gitlab_license, restrictions: { subscription_id: "1111" })
      license = build(:license, data: gl_license.export)

      expect(license.subscription_id).to eq("1111")
    end
  end

  describe '#subscription_name' do
    it 'returns the subscription_name from the license restrictions' do
      gl_license = build(:gitlab_license, restrictions: { subscription_name: 'SUB-001' })
      license = build(:license, data: gl_license.export)

      expect(license.subscription_name).to eq('SUB-001')
    end
  end

  describe '#daily_billable_users_count' do
    before_all do
      create(:group_member)
      create(:group_member, user: create(:admin))
      create(:group_member, :guest)
      create(:group_member, user: create(:user, :bot))
      create(:group_member, user: create(:user, :project_bot))
      create(:group_member, user: create(:user, :ghost))
      create(:group_member).user.deactivate!
    end

    context 'when license is not for Ultimate plan' do
      it 'includes guests in the count' do
        expect(license.daily_billable_users_count).to eq(3)
      end
    end

    context 'when license is for Ultimate plan' do
      it 'excludes guests in the count' do
        new_license = create(:license, plan: License::ULTIMATE_PLAN)

        expect(new_license.daily_billable_users_count).to eq(2)
      end
    end
  end

  describe '#daily_billable_users_updated_time' do
    before do
      freeze_time
    end

    context 'when a billable_users usage trend measurement is available' do
      it 'returns the same recorded_at value' do
        create(:usage_trends_measurement, identifier: :billable_users, count: 2, recorded_at: '2012-10-11T09:15:15Z')

        expect(license.daily_billable_users_updated_time).to eq('2012-10-11 09:15:15 UTC')
      end
    end

    context 'without a billable_users usage trend measurement record' do
      it 'returns Time.zone.now value' do
        expect(license.daily_billable_users_updated_time).to eq(Time.zone.now.to_s)
      end
    end
  end

  describe '#overage' do
    it 'returns 0 if seats is nil' do
      allow(license).to receive(:seats) { nil }

      expect(license.overage).to eq(0)
    end

    it 'returns the difference between user_count and seats' do
      allow(license).to receive(:seats) { 10 }

      expect(license.overage(14)).to eq(4)
    end

    it 'returns the difference using daily_billable_users_count as user_count if no user_count argument provided' do
      allow(license).to receive(:daily_billable_users_count) { 110 }
      allow(license).to receive(:seats) { 100 }

      expect(license.overage).to eq(10)
    end

    it 'returns 0 if the difference is a negative number' do
      allow(license).to receive(:seats) { 2 }

      expect(license.overage(1)).to eq(0)
    end
  end

  describe '#historical_data' do
    subject(:historical_data_count) { license.historical_data.count }

    let_it_be(:now) { DateTime.new(2014, 12, 15) }
    let_it_be(:license) { create(:license, starts_at: Date.new(2014, 7, 1), expires_at: Date.new(2014, 12, 31)) }

    before_all do
      (1..12).each do |i|
        create(:historical_data, recorded_at: Date.new(2014, i, 1), active_user_count: i * 100)
      end

      create(:historical_data, recorded_at: license.starts_at - 1.day, active_user_count: 1)
      create(:historical_data, recorded_at: license.expires_at + 1.day, active_user_count: 2)
      create(:historical_data, recorded_at: now - 1.year - 1.day, active_user_count: 3)
      create(:historical_data, recorded_at: now + 1.day, active_user_count: 4)
    end

    around do |example|
      travel_to(now) { example.run }
    end

    context 'with using parameters' do
      it 'returns correct number of records within the given range' do
        from = Date.new(2014, 8, 1)
        to = Date.new(2014, 11, 30)

        expect(license.historical_data(from: from, to: to).count).to eq(4)
      end
    end

    context 'with a license that has a start and end date' do
      it 'returns correct number of records within the license range' do
        expect(historical_data_count).to eq(7)
      end
    end

    context 'with a license that has no end date' do
      let_it_be(:license) { create(:license, starts_at: Date.new(2014, 7, 1), expires_at: nil) }

      it 'returns correct number of records from the license\'s start date to today' do
        expect(historical_data_count).to eq(6)
      end
    end
  end

  describe '#historical_max' do
    subject(:historical_max) { license.historical_max }

    let(:license) { create(:license, starts_at: Date.current - 1.month, expires_at: Date.current + 1.month) }

    context 'when using parameters' do
      before do
        (1..12).each do |i|
          create(:historical_data, recorded_at: Date.new(2014, i, 1), active_user_count: i * 100)
        end
      end

      it 'returns max user count for the given time range' do
        from = Date.new(2014, 6, 1)
        to = Date.new(2014, 9, 1)

        expect(license.historical_max(from: from, to: to)).to eq(900)
      end
    end

    context 'with different plans for the license' do
      using RSpec::Parameterized::TableSyntax

      where(:gl_plan, :expected_count) do
        ::License::STARTER_PLAN  | 2
        ::License::PREMIUM_PLAN  | 2
        ::License::ULTIMATE_PLAN | 1
      end

      with_them do
        let(:plan) { gl_plan }
        let(:license) do
          create(:license, plan: plan, starts_at: Date.current - 1.month, expires_at: Date.current + 1.month)
        end

        before do
          license

          create(:group_member, :guest)
          create(:group_member, :reporter)

          HistoricalData.track!
        end

        it 'does not count guest users' do
          expect(historical_max).to eq(expected_count)
        end
      end
    end

    context 'with data inside and outside of the license period' do
      before do
        create(:historical_data, recorded_at: license.starts_at.ago(2.days), active_user_count: 20)
        create(:historical_data, recorded_at: license.starts_at.in(2.days), active_user_count: 10)
        create(:historical_data, recorded_at: license.starts_at.in(5.days), active_user_count: 15)
        create(:historical_data, recorded_at: license.expires_at.in(2.days), active_user_count: 25)
      end

      it 'returns max value for active_user_count for within the license period only' do
        expect(historical_max).to eq(15)
      end
    end

    context 'when license has no expiration date' do
      let(:license) { create(:license, starts_at: Date.current.ago(1.month), expires_at: nil) }

      before do
        create(:historical_data, recorded_at: license.starts_at.in(2.days), active_user_count: 10)
        create(:historical_data, recorded_at: Date.tomorrow, active_user_count: 15)
      end

      it 'returns max value for active_user_count until today' do
        expect(historical_max).to eq(10)
      end
    end
  end

  describe '#maximum_user_count' do
    let(:now) { Date.current }

    it 'returns zero when there is no data' do
      expect(license.maximum_user_count).to eq(0)
    end

    it 'returns historical data' do
      create(:historical_data, active_user_count: 1)

      expect(license.maximum_user_count).to eq(1)
    end

    it 'returns the billable users count' do
      create(:usage_trends_measurement, identifier: :billable_users, count: 2)

      expect(license.maximum_user_count).to eq(2)
    end

    it 'returns the daily billable users count when it is higher than historical data' do
      create(:historical_data, active_user_count: 50)
      create(:usage_trends_measurement, identifier: :billable_users, count: 100)

      expect(license.maximum_user_count).to eq(100)
    end

    it 'returns historical data when it is higher than the billable users count' do
      create(:historical_data, active_user_count: 100)
      create(:usage_trends_measurement, identifier: :billable_users, count: 50)

      expect(license.maximum_user_count).to eq(100)
    end

    it 'returns the correct value when historical data and billable users are equal' do
      create(:historical_data, active_user_count: 100)
      create(:usage_trends_measurement, identifier: :billable_users, count: 100)

      expect(license.maximum_user_count).to eq(100)
    end

    it 'returns the highest value from historical data' do
      create(:historical_data, recorded_at: license.expires_at - 4.months, active_user_count: 130)
      create(:historical_data, recorded_at: license.expires_at - 3.months, active_user_count: 250)
      create(:historical_data, recorded_at: license.expires_at - 1.month, active_user_count: 215)

      expect(license.maximum_user_count).to eq(250)
    end

    it 'uses only the most recent billable users entry' do
      create(:usage_trends_measurement, recorded_at: license.expires_at - 3.months, identifier: :billable_users, count: 150)
      create(:historical_data, recorded_at: license.expires_at - 3.months, active_user_count: 140)
      create(:usage_trends_measurement, recorded_at: license.expires_at - 2.months, identifier: :billable_users, count: 100)

      expect(license.maximum_user_count).to eq(140)
    end

    it 'returns the highest historical data since the license started for a 1 year license' do
      license = build(:license, starts_at: now - 4.months, expires_at: now + 8.months)
      create(:historical_data, recorded_at: license.starts_at - 1.day, active_user_count: 100)
      create(:historical_data, recorded_at: now, active_user_count: 40)

      expect(license.maximum_user_count).to eq(40)
    end

    it 'returns the highest historical data since the license started for a license that lasts 6 months' do
      license = build(:license, starts_at: now - 4.months, expires_at: now + 2.months)
      create(:historical_data, recorded_at: license.starts_at - 1.day, active_user_count: 80)
      create(:historical_data, recorded_at: now, active_user_count: 30)

      expect(license.maximum_user_count).to eq(30)
    end

    it 'returns the highest historical data since the license started for a license that lasts two years' do
      license = build(:license, starts_at: now - 6.months, expires_at: now + 18.months)
      create(:historical_data, recorded_at: license.starts_at - 1.day, active_user_count: 400)
      create(:historical_data, recorded_at: now, active_user_count: 300)

      expect(license.maximum_user_count).to eq(300)
    end

    it 'returns the highest historical data during the license period for an expired license' do
      license = build(:license, starts_at: now - 14.months, expires_at: now - 2.months)
      create(:historical_data, recorded_at: license.expires_at - 1.month, active_user_count: 400)
      create(:historical_data, recorded_at: now, active_user_count: 500)

      expect(license.maximum_user_count).to eq(400)
    end
  end

  describe '#ultimate?' do
    using RSpec::Parameterized::TableSyntax

    let(:license) { build(:license, plan: plan) }

    subject { license.ultimate? }

    where(:plan, :expected) do
      nil | false
      described_class::STARTER_PLAN | false
      described_class::PREMIUM_PLAN | false
      described_class::ULTIMATE_PLAN | true
    end

    with_them do
      it { is_expected.to eq(expected) }
    end
  end

  describe 'Trial Licenses' do
    before do
      ApplicationSetting.create_from_defaults
      stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false')
    end

    describe 'Update trial setting' do
      context 'when the license is not trial' do
        before do
          gl_license.restrictions = { trial: false }
          gl_license.expires_at = Date.tomorrow
        end

        it 'does nothing' do
          license.save!

          expect(ApplicationSetting.current.license_trial_ends_on).to be_nil
        end
      end

      context 'when the license is the very first trial' do
        let(:tomorrow) { Date.tomorrow }

        before do
          gl_license.restrictions = { trial: true }
          gl_license.expires_at = tomorrow
        end

        it 'is eligible for trial' do
          expect(described_class.eligible_for_trial?).to be_truthy
        end

        it 'updates the trial setting during create' do
          license.save!

          expect(described_class.eligible_for_trial?).to be_falsey
          expect(ApplicationSetting.current.license_trial_ends_on).to eq(tomorrow)
        end
      end

      context 'when the license is a repeated trial' do
        let(:yesterday) { Date.yesterday }

        before do
          gl_license.restrictions = { trial: true }
          gl_license.expires_at = Date.tomorrow
          ApplicationSetting.current.update! license_trial_ends_on: yesterday
        end

        it 'does not update existing trial setting' do
          license.save!

          expect(ApplicationSetting.current.license_trial_ends_on).to eq(yesterday)
        end

        it 'is not eligible for trial' do
          expect(described_class.eligible_for_trial?).to be_falsey
        end
      end
    end
  end

  describe '.history' do
    before_all do
      described_class.delete_all
    end

    it 'does not include the undecryptable license' do
      undecryptable_license = create(:license)
      allow(undecryptable_license).to receive(:license).and_return(nil)

      allow(described_class).to receive(:all).and_return([undecryptable_license])

      expect(described_class.history.map(&:id)).to be_empty
    end

    it 'returns the licenses sorted by created_at, starts_at and expires_at descending' do
      today = Date.current
      now = Time.current

      past_license = create(:license, created_at: now - 1.month, data: build(:gitlab_license, starts_at: today - 1.month, expires_at: today + 11.months).export)
      expired_license = create(:license, created_at: now, data: build(:gitlab_license, starts_at: today - 1.year, expires_at: today - 1.month).export)
      future_license = create(:license, created_at: now, data: build(:gitlab_license, starts_at: today + 1.month, expires_at: today + 13.months).export)
      another_license = create(:license, created_at: now, data: build(:gitlab_license, starts_at: today - 1.month, expires_at: today + 1.year).export)
      current_license = create(:license, created_at: now, data: build(:gitlab_license, starts_at: today - 15.days, expires_at: today + 11.months).export)

      expect(described_class.history.map(&:id)).to eq(
        [
          future_license.id,
          current_license.id,
          another_license.id,
          past_license.id,
          expired_license.id
        ]
      )
    end
  end

  describe '#edition' do
    let(:ultimate) { build(:license, plan: 'ultimate') }
    let(:premium) { build(:license, plan: 'premium') }
    let(:starter) { build(:license, plan: 'starter') }
    let(:old) { build(:license, plan: 'other') }

    it 'have expected values' do
      expect(ultimate.edition).to eq('EEU')
      expect(premium.edition).to eq('EEP')
      expect(starter.edition).to eq('EES')
      expect(old.edition).to eq('EE')
    end
  end

  def set_restrictions(opts)
    date = described_class.current.starts_at

    gl_license.restrictions = {
      active_user_count: opts[:seats],
      previous_user_count: opts[:previous_user_count],
      trueup_period_seat_count: opts[:trueup_period_seat_count],
      trueup_quantity: opts[:trueup_quantity],
      trueup_from: (date - 1.year).to_s,
      trueup_to: date.to_s,
      reconciliation_completed: opts[:reconciliation_completed]
    }.compact
  end

  describe '#paid?' do
    where(:plan, :paid_result) do
      License::STARTER_PLAN  | true
      License::PREMIUM_PLAN  | true
      License::ULTIMATE_PLAN | true
      nil                    | true
    end

    with_them do
      let(:license) { build(:license, plan: plan) }

      subject { license.paid? }

      it do
        is_expected.to eq(paid_result)
      end
    end
  end

  describe '#started?' do
    where(:starts_at, :result) do
      (Date.current - 1.month) | true
      Date.current | true
      (Date.current + 1.month) | false
    end

    with_them do
      let(:gl_license) { build(:gitlab_license, starts_at: starts_at) }

      subject { license.started? }

      it do
        is_expected.to eq(result)
      end
    end
  end

  describe '#future_dated?' do
    where(:starts_at, :result) do
      (Date.current - 1.month) | false
      Date.current | false
      (Date.current + 1.month) | true
    end

    with_them do
      let(:gl_license) { build(:gitlab_license, starts_at: starts_at) }

      subject { license.future_dated? }

      it do
        is_expected.to eq(result)
      end
    end
  end

  describe '#cloud_license?' do
    subject { license.cloud_license? }

    context 'when no license provided' do
      before do
        license.data = nil
      end

      it { is_expected.to be false }
    end

    context 'when the license has cloud licensing disabled' do
      let(:gl_license) { build(:gitlab_license, :legacy) }

      it { is_expected.to be false }
    end

    context 'when the license has cloud licensing enabled' do
      let(:gl_license) { build(:gitlab_license, :cloud) }

      it { is_expected.to be true }
    end
  end

  describe '#offline_cloud_license?' do
    subject { license.offline_cloud_license? }

    context 'when no license provided' do
      before do
        license.data = nil
      end

      it { is_expected.to be false }
    end

    context 'when the license is an online cloud license' do
      let(:gl_license) { build(:gitlab_license, :online) }

      it { is_expected.to be false }
    end

    context 'when the license is an offline cloud license' do
      let(:gl_license) { build(:gitlab_license, :offline) }

      it { is_expected.to be true }
    end

    context 'when the license only has the cloud attribute set' do
      let(:gl_license) { build(:gitlab_license, :cloud) }

      it { is_expected.to be false }
    end

    context 'when the license is a legacy license' do
      let(:gl_license) { build(:gitlab_license, :legacy) }

      it { is_expected.to be false }
    end
  end

  describe '#online_cloud_license?' do
    subject { license.online_cloud_license? }

    context 'when no license provided' do
      before do
        license.data = nil
      end

      it { is_expected.to be false }
    end

    context 'when the license is an offline cloud license' do
      let(:gl_license) { build(:gitlab_license, :offline) }

      it { is_expected.to be false }
    end

    context 'when the license is an online cloud license' do
      let(:gl_license) { build(:gitlab_license, :online) }

      it { is_expected.to be true }
    end

    context 'when the license only has the cloud attribute set' do
      let(:gl_license) { build(:gitlab_license, :cloud) }

      it { is_expected.to be true }
    end

    context 'when the license is a legacy license' do
      let(:gl_license) { build(:gitlab_license, :legacy) }

      it { is_expected.to be false }
    end
  end

  describe '#valid_started?' do
    subject { license.valid_started? }

    let(:valid) { false }
    let(:started) { false }

    before do
      allow(license).to receive_messages(valid?: valid, started?: started)
    end

    context 'when license is invalid' do
      it { is_expected.to be false }
    end

    context 'when license is valid' do
      let(:valid) { true }

      context 'when license has not started yet' do
        it { is_expected.to be false }
      end

      context 'when license has started' do
        let(:started) { true }

        it { is_expected.to be true }
      end
    end
  end

  describe '#subscription_cancelled?' do
    subject { license.subscription_cancelled? }

    context 'when license is an online cloud license' do
      let(:gl_license) { build(:gitlab_license, :online) }

      context 'when license is generated_from_cancellation' do
        before do
          gl_license.generated_from_cancellation = true
        end

        it { is_expected.to be true }
      end

      context 'when license is not generated_from_cancellation' do
        before do
          gl_license.generated_from_cancellation = false
        end

        it { is_expected.to be false }
      end
    end

    context 'when license is an offline cloud license' do
      let(:gl_license) { build(:gitlab_license, :offline) }

      it { is_expected.to be false }
    end

    context 'when license is not a cloud license' do
      let(:gl_license) { build(:gitlab_license) }

      it { is_expected.to be false }
    end
  end

  describe '#customer_service_enabled?' do
    subject { license.customer_service_enabled? }

    context 'when no license provided' do
      before do
        license.data = nil
      end

      it { is_expected.to be false }
    end

    context 'when the license has usage ping required metrics disabled' do
      let(:gl_license) { build(:gitlab_license, operational_metrics_enabled: false) }

      it { is_expected.to be false }
    end

    context 'when the license has usage ping required metrics enabled' do
      let(:gl_license) { build(:gitlab_license, operational_metrics_enabled: true) }

      it { is_expected.to be true }
    end
  end

  describe '#current?' do
    subject { license.current? }

    context 'when the license is not persisted' do
      it { is_expected.to be false }
    end

    context 'when the license is persisted' do
      before do
        license.save!
      end

      context 'when the license is the current license' do
        it { is_expected.to be true }
      end

      context 'when the license is not the current license' do
        before do
          allow(described_class).to receive(:current).and_return(create(:license))
        end

        it { is_expected.to be false }
      end

      context 'when there is no current license' do
        before do
          allow(described_class).to receive(:current).and_return(nil)
        end

        it { is_expected.to be false }
      end
    end
  end

  describe '#license_type' do
    subject { license.license_type }

    context 'when the license is not a cloud license' do
      it { is_expected.to eq(described_class::LEGACY_LICENSE_TYPE) }
    end

    context 'when the license is an online cloud license' do
      let(:gl_license) { build(:gitlab_license, :online) }

      it { is_expected.to eq(described_class::ONLINE_CLOUD_TYPE) }
    end

    context 'when the license is an offline cloud license' do
      let(:gl_license) { build(:gitlab_license, :offline) }

      it { is_expected.to eq(described_class::OFFLINE_CLOUD_TYPE) }
    end
  end

  describe '#grace_period_expired?', :freeze_time do
    subject { license.grace_period_expired? }

    let(:now) { Time.current }
    let(:license) { build(:license, starts_at: now - 2.months, expires_at: expires_at) }

    context 'when license has not expired' do
      let(:expires_at) { now + 2.months }

      it { is_expected.to eq(false) }
    end

    context 'when license has expired' do
      let(:expires_at) { now - 10.days }

      it { is_expected.to eq(false) }
    end

    context 'when license has expired more than grace period' do
      let(:expires_at) { now - described_class::GRACE_PERIOD - 1.day }

      it { is_expected.to eq(true) }
    end

    context 'when license has no expiration date' do
      let(:expires_at) { nil }

      it { is_expected.to eq(false) }
    end
  end

  describe '#auto_renew' do
    it 'is false' do
      expect(license.auto_renew).to be false
    end
  end

  describe '#active_user_count_threshold' do
    subject { license.active_user_count_threshold }

    it 'returns nil for license with unlimited user count' do
      allow(license).to receive(:seats).and_return(nil)

      expect(subject).to be_nil
    end

    context 'for license with users' do
      where(:seats, :active_user_count, :percentage, :threshold_value) do
        3    | 2    | false | 1
        20   | 18   | false | 2
        90   | 80   | true  | 10
        300  | 275  | true  | 8
        1200 | 1100 | true  | 5
      end

      with_them do
        before do
          allow(license).to receive(:seats).and_return(seats)
          allow(license).to receive(:daily_billable_users_count).and_return(active_user_count)
        end

        it { is_expected.not_to be_nil }
        it { is_expected.to include(value: threshold_value, percentage: percentage) }
      end
    end
  end

  describe '#active_user_count_threshold_reached?' do
    subject { license.active_user_count_threshold_reached? }

    where(:seats, :daily_billable_users_count, :result) do
      10   | 9   | true
      nil  | 9   | false
      10   | 15  | false
      100  | 95  | true
    end

    with_them do
      before do
        allow(license).to receive(:daily_billable_users_count).and_return(daily_billable_users_count)
        allow(license).to receive(:seats).and_return(seats)
      end

      it { is_expected.to eq(result) }
    end
  end

  describe 'checking if there are any seats' do
    subject { seats.to_i > 0 }

    where(:seats, :result) do
      nil | false
      0   | false
      1   | true
      10  | true
    end

    with_them do
      before do
        allow(license).to receive(:seats).and_return(seats)
      end

      it { is_expected.to eq(result) }
    end
  end

  describe '#licensee_name' do
    subject { license.licensee_name }

    let(:gl_license) { build(:gitlab_license, licensee: { 'Name' => 'User Example' }) }

    it { is_expected.to eq('User Example') }
  end

  describe '#licensee_email' do
    subject { license.licensee_email }

    let(:gl_license) { build(:gitlab_license, licensee: { 'Email' => 'user@example.com' }) }

    it { is_expected.to eq('user@example.com') }
  end

  describe '#licensee_company' do
    subject { license.licensee_company }

    let(:gl_license) { build(:gitlab_license, licensee: { 'Company' => 'Example Inc.' }) }

    it { is_expected.to eq('Example Inc.') }
  end

  describe '#activated_at' do
    subject { license.activated_at }

    let(:license) do
      gl_license = build(:gitlab_license, activated_at: activated_at)
      build(:license, data: gl_license.export, created_at: 5.days.ago)
    end

    context 'when activated_at is set within the license data' do
      let(:activated_at) { Date.yesterday.to_datetime }

      it { is_expected.to eq(activated_at) }
    end

    context 'when activated_at is not set within the license data' do
      let(:activated_at) { nil }

      it { is_expected.to eq(license.created_at) }
    end
  end

  describe '#notify_admins?', :freeze_time do
    subject(:notify_admins?) { license.notify_admins? }

    context 'when license has expired' do
      before do
        gl_license.expires_at = Date.yesterday
      end

      it { is_expected.to eq(true) }
    end

    context 'when license has no expiration' do
      before do
        gl_license.expires_at = nil
        gl_license.licensee = gl_licensee
      end

      it { is_expected.to eq(false) }
    end

    context 'when license has not expired' do
      context 'when license is a trial' do
        before do
          gl_license.restrictions = { trial: true }
        end

        context 'when license expiration is more than a week from today' do
          before do
            gl_license.expires_at = Date.current + 8.days
          end

          it { is_expected.to eq(false) }
        end

        context 'when license expiration is a week from today' do
          before do
            gl_license.expires_at = Date.current + 7.days
          end

          it { is_expected.to eq(true) }
        end

        context 'when license expiration is less than a week from today' do
          before do
            gl_license.expires_at = Date.current + 6.days
          end

          it { is_expected.to eq(true) }
        end
      end

      context 'when license is not a trial' do
        context 'when license expiration is more than 15 days from today' do
          before do
            gl_license.expires_at = Date.current + 16.days
          end

          it { is_expected.to eq(false) }
        end

        context 'when license expiration is 15 days from today' do
          before do
            gl_license.expires_at = Date.current + 15.days
          end

          it { is_expected.to eq(true) }
        end

        context 'when license expiration is less than 15 days from today' do
          before do
            gl_license.expires_at = Date.current + 14.days
          end

          it { is_expected.to eq(true) }
        end
      end
    end
  end

  describe '#notify_users?', :freeze_time do
    subject(:notify_users?) { license.notify_users? }

    context 'when license has no expiration' do
      before do
        gl_license.expires_at = nil
        gl_license.licensee = gl_licensee
        gl_license.block_changes_at = nil
      end

      it { is_expected.to eq(false) }
    end

    context 'when license is a trial' do
      before do
        gl_license.restrictions = { trial: true }
      end

      context 'when license expiration is more than a week from today' do
        before do
          gl_license.expires_at = Date.current + 8.days
        end

        it { is_expected.to eq(false) }
      end

      context 'when license expiration is a week from today' do
        before do
          gl_license.expires_at = Date.current + 7.days
        end

        it { is_expected.to eq(true) }
      end

      context 'when license expiration is less than a week from today' do
        before do
          gl_license.expires_at = Date.current + 6.days
        end

        it { is_expected.to eq(true) }
      end
    end

    context 'when license is not a trial' do
      context 'when license block changes date is before today' do
        before do
          gl_license.block_changes_at = Date.current - 1.day
        end

        it { is_expected.to eq(true) }
      end

      context 'when license block changes date is today' do
        before do
          gl_license.block_changes_at = Date.current
        end

        it { is_expected.to eq(true) }
      end

      context 'when license block changes date is after today' do
        before do
          gl_license.block_changes_at = Date.current + 1.day
        end

        it { is_expected.to eq(false) }
      end
    end
  end
end